| ID | Category [?] | Severity [?] | Reproducibility | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 05713 | Misc. | Minor | Always | Oct 10, 2014, 11:21 | Oct 12, 2014, 12:54 |
| Tester | demotester | View Status | Public | Platform | MESS (Official Binary) |
| Assigned To | Resolution | Open | OS | Windows XP | |
| Status [?] | Acknowledged | Driver | |||
| Version | 0.154 | Fixed in Version | Build | Normal | |
| Fixed in Git Commit | Github Pull Request # | ||||
| Summary |
 05713: cpc464, cpc6128 (and possibly clones): What CRTC type is emulated in MESS ? |
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| Description |
Case 1 ---------- Found on following link "Tools about CRTC" (DSK for Emulators): http://www.cpcwiki.eu/index.php/CRTC some BASIC tools to detect CRTC types 0-1-2 and show some effects - by Elmar Krieger: Elmar_Krieger-SPECIAL_EFFECTS.dsk start cpc6128 and mount above dsk run"listing2" it will report: "CRTC-Test aktiviert, CRTC 6845R=Typ 1 gefunden." Case 2 ---------- Try to start the pouet demo "From Scratch by Vanity": http://www.pouet.net/prod.php?which=53596 it will report: "CRTC1 needed" |
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| Affected Sets / Systems | cpc464, cpc6128 (and possibly clones) | ||||
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 No.11036
mahlemiut Developer
Oct 11, 2014, 20:50
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It should be the MC6845 (type 2). Other CRTC types are supported, but I don't know if there's any real difference in their emulation, plus there's no easy way to be able to select the CRTC. Could be slotified, maybe? |
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 No.11047
demotester Tester
Oct 12, 2014, 12:54
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Mainboard Versions -> http://www.cpcwiki.eu/index.php/Mainboard_Versions CRTC versions according to above link MB pictures: ---------------------------------------------------------------------- CPC464 version 1 (original) -> HD6845SP CPC464 version 2 (new gate array) -> MC6845P, HD6845SP, UM6845 CPC464 version 3 (medium-sized) -> UM6845R CPC464 version 4 (cost-down) -> 40226 CPC472 -> HD6845SP CPC664 -> HD6845SP CPC6128 version 1 -> HD6845SP CPC6128 version 2 -> HD6845SP, MC6845P, UM6845, UM6845R CPC6128 version 3 (cost-down) -> 40226 |